I mean its easy to see why people ship them they have the whole next door neighbor, childhood flashback thing.
The thing that made Bughead and Varchie work is because they're so different towards each other but they work on the surface Betty is the bubblegum sweetheart with a ponytail and Jughead is the dark tortured artist yet they work because they always find common ground
Archie is a small town blue jeans guy and Veronica is the big city rich girl they work because they both balance each other out.
Archie and Betty are cute but together they're pretty much two mayo sandwiches without any meat in-between. The reason they seem exciting is because they're basically a new toy on Christmas, once that fades you'll easily see that they're boring as shit.